Newcastle weather in July

In July, Newcastle sees average daytime highs of 16°C and overnight lows near 13°C, with 73 mm of rain across 9 wet days and about 10 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 55% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Newcastle's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Newcastle's year-round climate.

Daytime high
16°
12th warmest
Overnight low
13°
1st coldest
Rainfall
73 mm
9 wet days
Daylight
10 hours
7:58 AM – 5:59 PM
Cloud cover
39%
3rd clearest
Wind
20 km/h
2nd windiest
Solar energy
2.8 kWh/m²
Travel score
5.6
out of 10

Newcastle is city in New South Wales, Australia.

Density
1,942/km²
people per km²
Founded
1804

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical July day in Newcastle reaches about 16°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, July runs on par with June and on par with August.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11613
21613
31613
41613
51613
61613
71613
81613
91613
101613
111613
121613
131613
141613
151613
161613
171613
181613
191613
201613
211613
221613
231613
241613
251613
261613
271713
281713
291713
301713
311713

Newcastle weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 21°769.513.97.2
Feb24° / 21°979.813.27.0
Mar23° / 20°9811.712.36.8
Apr21° / 18°8711.211.26.6
May19° / 16°9410.710.36.2
Jun17° / 14°11311.69.95.5
Jul16° / 13°739105.6
Aug17° / 13°567.210.86.3
Sep19° / 15°536.611.86.9
Oct20° / 16°638.412.86.8
Nov21° / 18°819.613.76.6
Dec23° / 20°709.814.17.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57129
67129
77129
87030
97030
107030
117030
127030
137129
147129
157129
167129
177129
187129
197228
207327
217327
227327
237426
247426
257525
267525
277624
287624
297624
307723
317723

Chance of precipitation in July

Any precipitation

Newcastle gets around 73 mm of rain over 9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
429
529
629
729
829
929
1029
1130
1230
1330
1430
1531
1631
1731
1831
1931
2031
2130
2230
2330
2429
2529
2628
2727
2827
2926
3025
3125

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1955
2955
3955
4955
5955
6946
7946
8946
9946
10937
11937
12937
13937
14937
15937
16946
17946
18946
19946
20946
21955
22955
23955
24955
25964
26964
27964
28964
29973
30973
31973

Wind in July

Winds average 20 km/h in July.

Across July, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 54 min at the start of July to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 8:01 AM to 7:49 AM, and sunset from 5:52 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.98:015:52
29.98:015:52
39.98:015:53
49.98:015:53
59.98:005:53
69.98:005:54
79.98:005:54
89.98:005:55
99.98:005:55
109.98:005:56
1110.07:595:56
1210.07:595:57
1310.07:595:57
1410.07:585:58
1510.07:585:59
1610.07:585:59
1710.07:576:00
1810.17:576:00
1910.17:566:01
2010.17:566:02
2110.17:556:02
2210.17:556:03
2310.27:546:04
2410.27:546:04
2510.27:536:05
2610.27:536:06
2710.27:526:06
2810.37:516:07
2910.37:506:08
3010.37:506:08
3110.37:496:09

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.8 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.64 kWh/m² in January across the year — July's 2.8 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.1Moderate
283.1Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in July

Hazard calendar for Newcastle

In seasonPeak

None of Newcastle's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Newcastle sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Newcastle?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.6
Sightseeing
11th-best month of the year
1.0
Beach & pool
12th-best month of the year

July is a reasonable time to visit Newcastle for sightseeing.

What to pack for Newcastle in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Newcastle sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Newcastle in July

The nearest coast averages about 19°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 23°C and coldest in August near 18°C.

It's comfortable for a long swim from Nov 13 to Jun 11 — about 6.9 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr22Refreshing
May21Refreshing
Jun20Cool
Jul19Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov20Refreshing
Dec21Refreshing

UV index in Newcastle in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Newcastle peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar9Very high
Apr6High
May4Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov10Very high
Dec11Extreme

Air quality in Newcastle in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Newcastle is worst in December — around 23 µg/m³ PM2.5 (moderate), about 4.3× the cleanest month (June, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateDec 1621 µg/m³Jun 205 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar7Good
Apr6Good
May6Good
Jun5Good
Jul6Good
Aug7Good
Sep8Good
Oct8Good
Nov11Good
Dec23Moderate
Location & terrain

Where is Newcastle?

Newcastle sits at 32.9°S, 151.8°E, 48 m above sea level, in Australia. The nearest listed city is Maitland, 30 km away.

Topography around Newcastle

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Newcastle.

Within 3 km, the terrain around Newcastle has only modest variations in elevation — a maximum elevation change of 76 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 158 m; within 80 km, large variations in elevation — a maximum elevation change of 863 m.

The land around Newcastle is covered by water (61%) and artificial surfaces (31%) within 3 km, water (53%) within 16 km, and trees (44%) and water (33%) within 80 km.

3 km
76 m
16 km
158 m
80 km
863 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: Maitland 30 km · Cessnock 41 km · Central Coast 67 km · Umina Beach 79 km · Pittwater 93 km · Dee Why 102 km · Saint Ives 106 km · Hornsby 107 km

Australia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
230 V · 50 Hz
Prices
≈ 90% of US
price level, 2025
GDP per capita
$65,130
2025
Happiness
6.9 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
Religion
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Newcastle (-32.9295°, 151.7801°, elevation 48 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).